Sleeping with Half a Brain (2016)

"When the deviant tone is played to the left ear, its output is predominantly relayed to the right cortical hemisphere, which shows the characteristic vigilance response."

"During the first night, the left hemisphere had a more pronounced vigilance response to these deviant tones as compared with the right hemisphere."

I wonder if there is something to find out with regard to sleeping position. Do we sleep on our right side to cover the right ear for less disturbed sleep? Or rather on the left, to not cover the right ear if we feel the environment is not safe?

Is the preference for the right ear maybe related to the preference for right-handedness in humans? Lying on the left side would leave both the right ('more vigilant') ear and the stronger arm and hand unconstrained, the latter maybe needed for sudden defense?

Just a few thoughts, pick them apart.

I wonder how FNE varies according to the risk nature of the environment. For example, a fine hotel in Aspen compared with homelessness on the streets of San Francisco.

It is an obvious conjecture that the vigilance ought to persist in the higher risk environment. If so, I wonder (a) how the effect might vary over time in the high risk environment, and (b) what health consequences ensue from chronic FNE?

but we are animals too!

why does everybody love to forget this??